• Journal of the Korean Society of Safety
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• v.29 no.3
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• pp.129-135
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• 2014

The number of abnormal operation procedures (AOPs) for mitigating a plant abnormal status amounts to about one hundreds for the most of 1000MWe optimized power plant (OPR1000) and it is expected that the number of AOPs would be increased to cope with an abnormal status occurred newly. However, it is not well organized for operators to select a proper AOP from alarms occurred in main control room (MCR) during a plant abnormal status. It may be a burden to operators since the selection of AOP to respond an abnormal status is authorized by operators. When multiple alarms occur in MCR, it would take more time to respond them than a single alarm. To reduce the efforts, various MCR operation support systems have been developed. The purpose of this study was to develop a multi-alarm pattern card to select an appropriate AOP effectively when multiple alarms occurs in a single upper layout (UL) of MCR. It can be applied for an operation support tool as well as an education tool.

• KEPCO Journal on Electric Power and Energy
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• v.3 no.2
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• pp.119-125
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• 2017

Regarding the implementation of ROMM project (Rehabilitation, Operation, Maintenance & Management), which is one of overseas development projects, it is very important to diagnose the exact current status of aged thermal power plant. However, when people visit the power plant for the purpose of prediagnosis to implement the ROMM project, most target power plants for diagnosis, in general, are under operation. This can be a big interference factor to diagnose the exact current status of power plants. Therefore, in order to solve such interference factor, based on the 30 years of know-how in the field, the present study has developed a regression curve for a simple life time assessment and the calculation of rehabilitation cost that may be used as a reference relatively for the quantitative diagnosis on the status of a relevant power plant even during the operation of the power plant.

• Journal of Korean Clinical Nursing Research
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• v.16 no.2
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• pp.85-93
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• 2010

Purpose: The purpose of this study was to investigate the effect of the SMS(Short Message Service) informing patients' surgical operation status to his or her family members on their nursing satisfaction. Methods: A non-equivalent control group non-synchronized design was used. The subjects were the family members of patients underwent spine surgery operation at a general hospital in B city. Twenty five subjects in the experimental group received SMS services whereas the other twenty five subjects in the control group received no intervention. Results: There was a significant difference in the level of nursing satisfaction in the experimental group compared to that of the control group(t=7.14, p=.001). Conclusion: The result above indicates that the level of nursing satisfaction of family members of the patients under surgical operation can be raised by providing SMS informing surgical operational status during the operation. This finding leads to the conclusion that such information service can be used as one of the efficient interventions for improving patient and family satisfactions with nursing care in a surgical unit.

• Nuclear Engineering and Technology
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• v.41 no.5
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• pp.739-746
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• 2009

This paper introduces facility operation modeling and simulation based primarily on a discrete event system modeling scheme. Many modern industrial facilities are so complex that their operational status cannot be estimated by simple calculations. In general, a facility can consist of many processes and transfers of material between processes that may be modeled as a discrete event system. This paper introduces the current status of studies on operation modeling and simulation for typical nuclear facilities, along with some examples. In addition, this paper provides insights about how a discrete event system can be applied to a model for a nuclear facility. A headend facility is chosen for operation modeling and the simulation, and detailed procedure is thoroughly described from modeling to an analysis of discrete event results. These kinds of modeling and simulation are very important because they can contribute to facility design and operation in terms of prediction of system behavior, quantification of facility capacity, bottleneck identification and efficient operation scheduling.

• Proceedings of the Safety Management and Science Conference
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• 2003.11a
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• pp.65-69
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• 2003

The study was purposed to know the status of prevention on health obstacle in industries with confined space. The results were as follows: 1. It was found 38% of respondents established health-work program in confined space. The percentage of respondents with instrument of oxygen sampling and equipment of ventilation, operation of safety and health education, posting of watching man and operation of head count were 42%, 35%, 75%, 46% and 56%, respectively. 2. The percentage of awakening of risk, confirm of air condition and operation of emergency training were 36%, 25% and 10%, respectively.

• The Transactions of The Korean Institute of Electrical Engineers
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• v.62 no.3
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• pp.332-341
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• 2013

SCADA RTU is a remote control unit equipped in substations for automatic operation of a power system. The RTU monitors and measures the operation status of remote substations to transmits the signals to upper SCADA system and receives control command signals from dispatch center to actuate corresponding apparatus. The RTU receives the standard time from GPS receiver to synchronize the times for all devices and acquires the status event of power apparatus using DIM. Without the time synchronization between GPS and RTU, stable operation of the power system and accurate analysis of the system fault are impossible due to the time error of SOE. In this paper, a test is performed to identify if the operation time of SCADA RTU DIM coincides with the standard time. And we tried to find the reason of error, to minimize the time discrepancy. Through this study, RTU operation time could be synchronized with the standard time within 10[ms] to improve the reliability of SOE data.

• Korean Journal of Childcare and Education
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• v.17 no.3
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• pp.1-17
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• 2021

Objective: The objective of this study is to investigate the tendency of research in relation to childcare curriculum for 0 to 2 year-olds, and then to analyze and understand the results of precedent research about the status of the operation of Childcare Curriculum. Methods: The analytic data utilized in this research contains a total of 45 research results about childcare curriculum for 0 to 2 year-olds. Results: First, the research methods were focused on quantitative research. Regarding research topics, the status of the operation of Childcare Curriculum, and contents and programs of Childcare Curriculum received high attention. Second, while, childcare teachers showed an awareness of the Childcare Curriculum, they made few efforts to investigate and understand it in depth. It was reported that a lack of multiple support systems would serve as an obstacle to the operation of Childcare Curriculum. Conclusion/Implications: There is a need for childcare centers, academic circles and the government to pay an even greater deal of attention to the childcare curriculum for 0 to 2 year-olds. In addition, structural and policy support is required, such as revitalizing case-based teacher training, lowering the ratio of teachers to children, and improving working conditions for infant teachers.

• Proceedings of the KSRS Conference
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• 2004.10a
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• pp.249-252
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• 2004

The automatic determination of vehicle operation status as well as continuous tracking of vehicle location with intelligent management is one of major elements to achieve the goals. Especially, vehicle operation status can only be analyzed in terms of expert experiences with real-time location data with scheduling information. However the scheduling information of individual vehicle is very difficult to be interpreted immediately because there are hundreds of thousand vehicles are run at the same time in the national wide range workplace. In this paper, we propose the location-based knowledge management system(LKMs) using the active trajectory analysis method with routing and scheduling information to cope with the problems. This system uses an inference technology with dispatching and geographic information to generate the logistics knowledge that can be furnished to the manager in the central vehicle monitoring and controlling center.

• Journal of the Korean Regional Science Association
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• v.40 no.2
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• pp.39-55
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• 2024

This study attempted to derive a plan for sustainable operate by identifying the status and operation condition of the community facilities of the Youth Jochiwon Project through case studies and interviews. Examining at the status and operation condition, 13 facilities are scheduled to be built in Jochiwon by 2025, but many facilities have not yet been prepared for specific operation plans. Second, the possibility of sustainable operation is positively evaluated based on creating jobs and profits through connection with other facilities and the introduction of paid system. Third, administrative support is being provided in various aspects, but there was a regret due to the limitation of the budget. It is expected that the function of health/welfare and leisure/culture can be strengthened for sustainable operation, support in term of administrative support is needed, and support and management function can be strengthened by utilizing the urban registration support center.

• Journal of the Korean BIBLIA Society for library and Information Science
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• v.33 no.2
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• pp.5-31
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• 2022

This study aims to investigate and analyze the current status of book curation operation in elementary school libraries in Busan and the perception of librarians, and then to propose a plan to activate book curation in school libraries. A list of 304 school libraries in the Busan area was secured using the current status of school libraries in the 2021 National Library Statistical System. And then after selecting 121 school libraries with librarians, 83 schools that decided to participate in the survey were selected as final research subjects. Based on the current status of book curation operation and the results of the librarian's perception survey, the following are proposed as a way to activate the book curation of the school library: 1) expansion and provision of specialized formal education on book curation, 2) development and dissemination of materials related to the operation of school library book curation, 3) continuous efforts of librarians to strengthen the capacity for book curation, 4) between school library librarians collaboration and information sharing.